The Excretory System & Urinary System The Waste Removal System

The Excretory System Function – to remove waste products from the body

The Excretory System Components Integumentary System (skin) – releases sweat which removes excess water, sugar and urea

The Excretory System Components Integumentary System Respiratory System – eliminates waste gases such as carbon dioxide

The Excretory System Components Integumentary System Respiratory System Digestive System – eliminates solid waste and the liver breaks down some waste products to be excreted

The Excretory System Components Integumentary System Respiratory System Digestive System Urinary System – filter excess water, urea, salt and other waste products from the blood

The Urinary System Kidneys Nephron – tiny structures in the kidneys that filter the blood and remove excess water, salt, urea and other waste products from the blood Urea – chemical that results from the breakdown of proteins Each kidney contains about 1 million nephrons The liquid that remains in the kidney after filtering is called urine

The Urinary System Ureter – tube that carries urine from the kidney to the bladder for storage Bladder – where urine is stored until ready to be voided from the body Urethra – tube that carries urine from the bladder to outside the body http://www.youtube.com/watch?v=aQZaNXNroVY